fix 500 error

files/routes/jinja2.py

@@ -140,7 +140,7 @@ def poster_of_the_day_id():
 	user = db.query(User, func.sum(Post.upvotes)).join(Post, Post.author_id == User.id).filter(
 		Post.created_utc > t,
 		User.admin_level == 0,
-	).group_by(User).order_by(func.sum(Post.upvotes).desc()).one_or_none()
+	).group_by(User).order_by(func.sum(Post.upvotes).desc()).first()
 
 	if not user: return SNAPPY_ID